Which of the following is the MOST likely cause of the failure?

A security engineer deploys a certificate from a commercial CA to the RADIUS server for use with the EAP-TLS wireless network.

Authentication is failing, so the engineer examines the certificate’s properties:

Issuer: (A commercial CA)

Valid from: (yesterday’s date)

Valid to: (one year from yesterday’s date)

Subject: CN=smithco.com

Public key: RSA (2048 bits)

Enhanced key usage: Client authentication (1.3.6.1.5.5.7.3.2)

Key usage: Digital signature, key encipherment (a0)

Which of the following is the MOST likely cause of the failure?
A . The certificate is missing the proper OI
C . The certificate is missing wireless authentication in key usage.
D . The certificate is self-signed.
E . The certificate has expired.

View Answer

Answer: A